Jul 11, PDF | On Sep 10, , José Ricardo Liberato and others published Asperisporium black spot of papaya (Asperisporium caricae). Jan 30, Citation: Liberato JR, McTaggart AR & Shivas RG () Asperisporium Black Spot of Papaya (Asperisporium caricae) Updated on 10/9/ Ellis, M.B.; Holliday, P. Asperisporium caricae. CMI Descriptions of Pathogenic Fungi and Bacteria. Remarks (public): For a complete description.
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Evaluation of phosphite applications for severity of papaya black spot Asperisporium caricae. Occurrence of Asperisporium leaf spot of papaya in India.
Go to distribution map Export data Export to Excel Export to Word. Continuing to use www. Lesions start as water soaked spots that become necrotic. Pairwise sequence alignments Polyphasic identifications.
Maubl Taxonomy Anamorphic fungi – Ascomycetes. If you would like to, you can learn more about the cookies we use. Incidence in Florida is seasonal, most infection occurring in late winter and spring.
Lily Eurwilaichitr and Dr. The distribution in this summary table carocae based on all the information available. No other cookies than the ones caricaee above are used on our websites. Simple search Basic search Advanced search Search type specimens Search thesaurus Search bibliography.
Usually, the disease is a minor problem, although heavily spotted leaves result in extensive leaf fall. First record of Asperisporium caricae causing black spot of papaya in the Philippines.
Long distance spread occurs when the fruits are traded at markets. Young leaves are not attacked.
Asperisporium Black Spot of Papaya
IMI Herbarium, unda; Ullasa et al. Look for the dark brown cariccae black spots on the fruit and on the underside of the leaves where the spores are produced; on the top surface the spots are light brown with yellow margins, and fade in colour as asperispoium age. Distribution Table Top of page The distribution in this summary table is based on all the information available.
These develop into pale circular leaf spots up to 4 mm diameter often surrounded by a asperisporiuj halo. Presumably air dispersed but no experimental work has been reported and there is no confirmation of an early suggestion of seed transmission 4: Rose black spot Diplocarpon rosae.
If this occurs, the growth of the trees is affected, and fruit yield is lower than on healthy trees. Sporodochia hypophyllous, punctiform, pulvinate, dark blackish-brown to black.
Black pustules on the abaxial surface of the leaf are characteristic of this disease. No resistance to the disease in papaya germplasm has been detected. Ellis MB; Holiday P, Australasian Plant Disease Notes, 2 1: Spots on the fruit are also brown to black and slightly sunken. Penetration is stomatal and macroscopic symptoms are seen days after inoculation. If the leaves are severely infected they turn brown and die. Besides reducing plant vigour, the fruit becomes inferior and blemished.
black spot of papaya (Asperisporium caricae ) on papaya (Carica papaya ) –
European and Mediterranean Plant Protection Organization. When several references are cited, they may give conflicting information on the status. Conspicuous dark conidial stroma develop on the underside of leaf spots.
Field and laboratory evaluations of fungicides for the control of brown spot Corynespora cassiicola and black spot Asperisporium caricae of papaya in far north Queensland, Australia. Click on the language titles to launch them. Little control seems to be necessary but Bordeaux is effective and sanitary measures to reduce inoculum have been recommended.
Asperisporium caricae – Wikipedia
On the lower surface, the lesions are covered with masses of fungal spores which appear as dark dots. The black lesions can appear white if hyperparasitized by fungi such as CephalosporiumRhinotrichum gossypinum and Verticillium. Contact our curators Dr. Bacterial black spot on mango. Growth Stages Top of page Fruiting stage, Cariace growing stage. Large numbers of spots cause the leaves to dry, die and fall.
The damage to fruit is entirely cosmetic. Mango bacterial black spot.
Diagnostic Notes The fungus: For practical reasons we have decided not to translate all pages in several languages anymore because it was too heavy to maintain but some of the labels of the basic and advanced query pages are still available.
Restricted to Central and S. On ripe fruit disease causes a reduction in marketable quality.